change site colour scheme
If you don't like the default colour scheme, you can select another one on this page. Just look through the list of colour schemes below and click the button for the one you want. This change will then be set for you for all pages on the site.
this functionality requires that you have JavaScript enabled in your browser and that you accept cookies from this site. The cookie contains only your choice of scheme and no other details at all.
The technology for changing colour schemes comes from thesitewizard.com, and can be found at the page How to Use JavaScript to Change a Cascading Style Sheet (CSS) Dynamically
Many thanks to thesitewizard for publishing this technique.